Projects

CSEMP assessment of benzo[a]pyrene in sediment at Hunterston (Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1139.48140.77-66.74133.48
linear2141.48143.94-66.74133.480.001 10.9777
smooth (df = 2)3142.31146.48-66.16132.311.171 10.2791
smooth (df = 3)4140.43146.98-64.22128.433.878 10.0489
smooth (df = 4)5141.96151.76-63.98127.960.474 10.4911

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020175.0545.046-0.00819 0.29695-0.0280.9784
last 20 years200020175.0545.046-0.00819 0.29695-0.0280.9784

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC155.4 30.0-1.6445 0.1595-10.3131.0000
ERL155.4430.0 1.0181 0.1595 6.384<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]pyrene in sediment at Hunterston (Clyde)


Raw data with assessment

Raw data with assessment of  benzo[a]pyrene in sediment at Hunterston (Clyde)


Assessment plot

Assessment plot for  benzo[a]pyrene in sediment at Hunterston (Clyde)


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]pyrene in sediment at Hunterston (Clyde)


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]pyrene in sediment at Hunterston (Clyde)


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